Security Hardening

Debian 12 — libfsntfs — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libfsntfs — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-11727 CVE-2018-11728 CVE-2018-11729 CVE-2018-11730 CVE-2018-11731 Upstream summary: The libfsntfs_attribute_read_from_mft function in libfsntfs_attribute.c in libfsntfs through 2018-04-20 allows remote attackers to cause an information disclosure (heap-based buffer over-read) via […]

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Debian 9 — uwsgi — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — uwsgi — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-7490 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Debian 12 — mitmproxy — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — mitmproxy — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-14505 CVE-2021-39214 CVE-2022-24766 CVE-2025-23217 CVE-2026-40606 Upstream summary: mitmweb in mitmproxy v4.0.3 allows DNS Rebinding attacks, related to tools/web/app.py. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Debian 12 — phpsysinfo — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — phpsysinfo — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0536 CVE-2005-0869 CVE-2005-0870 CVE-2005-3347 CVE-2005-3348 CVE-2006-3360 CVE-2007-4048 CVE-2023-49006 Upstream summary: Directory traversal vulnerability in phpSysInfo 2.1 and earlier allows attackers with write access to a local directory to […]

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Debian 11 — snort — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — snort — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-3299 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Debian 12 — gthumb — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — gthumb — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-18718 CVE-2019-20326 CVE-2020-36427 Upstream summary: An issue was discovered in gThumb through 3.6.2. There is a double-free vulnerability in the add_themes_from_dir method in dlg-contact-sheet.c because of two successive […]

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Debian 12 — hawtjni — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — hawtjni — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-2035 Upstream summary: Race condition in hawtjni-runtime/src/main/java/org/fusesource/hawtjni/runtime/Library.java in HawtJNI before 1.8, when a custom library path is not specified, allows local users to execute arbitrary Java code by […]

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Debian 11 — htslib — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — htslib — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-1000206 CVE-2018-13843 CVE-2018-13844 CVE-2018-13845 CVE-2018-14329 CVE-2020-36403 CVE-2026-31962 CVE-2026-31963  +8 more Upstream summary: samtools htslib library version 1.4.0 and earlier is vulnerable to buffer overflow in the CRAM rANS […]

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Debian 13 — skanpage — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — skanpage — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-55174 Upstream summary: In KDE Skanpage before 25.08.0, an attempt at file overwrite can result in the contents of the new file at the beginning followed by the partial […]

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Debian 13 — x11-xserver-utils — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — x11-xserver-utils — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-0465 Upstream summary: xrdb.c in xrdb before 1.0.9 in X.Org X11R7.6 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from […]

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